1997 Mathematics Game 1997
Site created January 15, 1997.......Last
Updated April 15, 1997
Using the digits in the year 1997 and the operations of +, -, x, ÷, roots, ^, and ! along with grouping symbols, write expressions for the counting numbers 1 through 100. Check the rules page for complete details. Print a worksheet for your students. See Rob's lists of 1997 answers.
Responses From Students
Please notify me at judyann@dimacs.rutgers.edu if you find any errors.
| Solution | Name | Grade | School | |
| 1 | 1 + (9 - 9) x 7 | Carmen | 9 | PVMS |
| 2 | 1 ^ 9 x 9 - 7
sqrt 9 x sqrt 9 - 7 x 1 7 + (sqrt 9) - 9 + 1 (7 - sqrt 9) - (sqrt 9 - 1) |
Peter
Mike Tim Riccardo |
8
8 11 8 |
PVMS
PVMS DVHS PVMS |
| 3 | sqrt(9 x (9 - (7+1)))
9 ÷ (9 - 7 + 1 ) |
Lorraine
Melissa |
8
8 |
PVMS
PVMS |
| 4 | sqrt 9 - 1 + 9 - 7 | Nicole | 8 | PVMS |
| 5 | 9 + sqrt(9) - 7 x 1 | Tim | 11 | DVHS |
| 6 | 9 - 9 + 7 - 1 | Michelle | 8 | PVMS |
| 7 | (9^1- 9) + 7
1 x 9 ÷ 9 x 7 1 x 9 x 7 ÷ 9 |
Adam
Sherri Erica |
8
8 9 |
PVMS
PVMS PVMS |
| 8 | 1 + 9 - 9 + 7
1 x (9 ÷ 9) + 7 |
Amber
Jan |
8
8 |
PVMS
PVMS |
| 9 | 9 ÷ 9 + 7 + 1 | Pat | 8 | PVMS |
| 10 | 9 + 9 - 1 - 7 | Krystal | 8 | PVMS |
| 11 | 1 x 9 + 9 - 7 | Nicole | 8 | PVMS |
| 12 | 1 + 9 + 9 - 7 | Stacy | 8 | PVMS |
| 13 | 9 + sqrt(9) + 1 ^ 7 | Jeff | 8 | PVMS |
| 14 | (9 ÷ 9 + 1) x 7 | B.J. | 8 | PVMS |
| 15 | sqrt(9) x sqrt(9) + 7 - 1 | Mike | 8 | PVMS |
| 16 | (1 - 9)(7 - 9) | Dennis | 8 | PVMS |
| 17 | (9 - 7) x 9 - 1 | Allyson | 8 | PVMS |
| 18 | (9 - 7) x 9 x 1 | Andrea | 8 | PVMS |
| 19 | (9 - 7) x 9 + 1 | Louis | 8 | PVMS |
| 20 | 7 x 9 ÷ sqrt(9) - 1 | Troy | 8 | PVMS |
| 21 | 9 x sqrt(9) + 1 - 7 | Holly | 8 | PVMS |
| 22 | sqrt(9) x 7 + 1^9 | Tiffny | 8 | PVMS |
| 23 | 7 + sqrt(9)! + 1 + 9 | Renee | 8 | PVMS |
| 24 | 9 + 7 + 9 - 1 | John | 8 | PVMS |
| 25 | 7 ÷ 1 + 9 + 9
7 x 1+9+9 |
Connie
Lisa |
8
9 |
PVMS
DVHS |
| 26 | 7 + 1 + 9 + 9 | Cindi | 8 | SMS |
| 27 | (1 + 9 - 7) x 9 | Jeanine | 8 | PVMS |
| 28 | (9 ÷ sqrt (9) + 1)x7 | Timmy | 6 | St. Joan of Arc |
| 29 | sqrt(9) x 7 - 1 + 9 | Bronson | 8 | PVMS |
| 30 | sqrt(9) x 1 x 7 + 9 | Sean | 8 | PVMS |
| 31 | sqrt(9) x 7 + 1 + 9 | Kyle | 8 | PVMS |
| 32 | (sqrt(9))! x 7 - 9 - 1 | Allyson | 8 | PVMS |
| 33 | sqrt(9) x 9 + 7 - 1 | Jennie | 8 | PVMS |
| 34 | sqrt(9) x 1 x 9 + 7 | Jerry | 8 | PVMS |
| 35 | 1 + 9 x sqrt(9) + 7 | Tanya | 8 | PVMS |
| 36 | sqrt(9 + 7) x 9 x 1 | Builderz | 7 | St. Joan of Arc |
| 37 | [sqrt(9 + 7)]9 + 1 | Michelle | Lincoln Middle School | |
| 38 | ||||
| 39 | ||||
| 40 | 7 ^ (sqrt(9) - 1) - 9 | Allyson | 8 | PVMS |
| 41 | (sqrt 9 + sqrt 9)7 - 1 | Michelle | Lincoln Middle School | |
| 42 | (sqrt(9) + sqrt(9)) x 7 x 1 | Jennie | 8 | PVMS |
| 43 | (sqrt(9) + sqrt(9) x 7 + 1 | Kyle | 8 | PVMS |
| 44 | (sqrt(9))! x (sqrt(9))! + 7 + 1 | Jennie | 9 | PVMS |
| 45 | sqrt(9) x ( 9 + 7 - 1)
9 x (7 - 1)-9 (7 - 1) x 9 - 9 |
Kris
Danny Timmy |
8
6 6 |
PVMS
St. Joan of Arc St. Joan of Arc |
| 46 | (sqrt(9))! - 9 - 7 - 1 | Tiffany | 9 | PVMS |
| 47 | (9 - 1) x 7 - 9 | Kim | ||
| 48 | sqrt(9) x (9 + 7 x 1) | Kris | 8 | PVMS |
| 49 | 7^(9 ÷ 9 + 1) | Heather | 8 | PVMS |
| 50 | ||||
| 51 | (9 + 7 + 1) x sqrt(9) | Jeff | 8 | PVMS |
| 52 | ||||
| 53 | (9 x 7) - (1 + 9)
9 x 7 - 9 - 1 |
Justin
Lisa |
8
9 |
PVMS
DVHS |
| 54 | 1 x 7 x 9 - 9 | Kate | 8 | PVMS |
| 55 | 9 x 7 - 9 + 1 | Tim | 11 | DVHS |
| 56 | (sqrt(9) x sqrt(9) - 1) x 7 | Bronson | 8 | PVMS |
| 57 | 7 x 7+ 9 - 1 | Michelle | Lincoln Middle School | |
| 58 | ||||
| 59 | 7 x 9 - sqrt(9) - 1 | Stacey | 8 | PVMS |
| 60 | (sqrt(9))! x 9 + (-1) + 7 | Erica | 9 | PVMS |
| 61 | (1 + 9) x 7 - 9 | Rich | 8 | PVMS |
| 62 | sqrt(9) x sqrt(9) x 7 -1 | Jeff | 8 | PVMS |
| 63 | (7 - 1) x 9 + 9 | Kate | 8 | PVMS |
| 64 | (9! ÷ 7!) - 9 + 1 | Tim | 11 | DVHS |
| 65 | (9 - 1) x 9 - 7 | Jennifer | 8 | PVMS |
| 66 | ||||
| 67 | ||||
| 68 | ||||
| 69 | ( 7 + 1 )9 - sqrt 9 | Michelle | Lincoln Middle School | |
| 70 | (sqrt(9) x sqrt(9) + 1) x 7 | Jeff | 8 | PVMS |
| 71 | 7 x 9 - 1 + 9
9 x 7 + 9 - 1 |
Jenn
Lisa |
8
9 |
PVMS
DVHS |
| 72 | 9 x 7 + 9 x 1 | Erin | 9 | PVMS |
| 73 | 9 x 9 - 1- 7 9 x 7 + 9 + 1 |
Tim
Lisa |
8 9 |
PVMS
DVHS |
| 74 | 9 x 9 - 7 x 1
9 ÷ 1 x 9 - 7 |
Tiffany
Lisa |
8
9 |
PVMS
DVHS |
| 75 | 9 x 9 - 7 + 1 | Heather | 8 | PVMS |
| 76 | 1 + sqrt(9) + 9! ÷ 7! | Jonas | 7 | Tisbury Elementary School |
| 77 | -1 - sqrt(9) x 9 + 7!! | Jonas | 7 | Tisbury Elementary School |
| 78 | -1 x sqrt(9) x 9 + 7!! | Jonas | 7 | Tisbury Elementary School |
| 79 | (9 - 1) x 9 + 7 | Lindsay | 8 | PVMS |
| 80 | 9^(9 - 7) - 1 | Alicia | 8 | PVMS |
| 81 | (1+7)9 + 9 | Cindi | 8 | SMS |
| 82 | 9 ^ (9-7) + 1 | Charles | 8 | PVMS |
| 83 | (1 + 9) x 9 - 7 | Nicole | 8 | PVMS |
| 84 | (1 + sqrt(9)) x sqrt(9) x 7 | Lindsay | 8 | PVMS |
| 85 | ||||
| 86 | -1 - 9 - 9 + 7!! | Jonas | 7 | Tisbury Elementary School |
| 87 | 9 x 9 - 1 + 7
9 x 9 + 7 - 1 |
Annette
Timmy |
8
6 |
PVMS
St. Joan of Arc |
| 88 | 9 x 9 x 1 + 7
(9 x 1) x 9 + 7 |
Holly
Timmy |
8
6 |
PVMS
St. Joan of Arc |
| 89 | 9 x 9 + 1 + 7
9 x 9 +7 + 1 |
Mark
Timmy |
8
6 |
PVMS
St. Joan of Arc |
| 90 | 9 x (9 + 1^7) | |||
| 91 | (sqrt 9 + 7 )9 + 1 | Michelle | Lincoln Middle School | |
| 92 | ||||
| 93 | (((Sqrt9)!)!) ÷ (7+1) +Sqrt9 | Dan | 11 | MKA |
| 94 | 1 - sqrt(9) - 9 + 7!! | Jonas | 7 | Tisbury Elementary School |
| 95 | ||||
| 96 | ||||
| 97 | (1 + 9) x 9 + 7 | Mike | 9 | PVMS |
| 98 | ||||
| 99 | ( 7 + sqrt 9+ 1 )9
Michelle |
Lincoln Middle School | ||
| 100 | (7 + sqrt(9)) x (9 + 1) | Jenn | 8 | PVMS |
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